html,
body {
  font-family: "微软雅黑";
}
html,
body,
div,
p,
h1,
h2,
h3,
h4,
h5,
ol,
ul,
li,
a {
  padding: 0;
  margin: 0;
}
ol,
ul,
li {
  list-style: none;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
.pr {
  position: relative;
}
.pa {
  position: absolute;
}
.tl {
  text-align: left;
}
.tc {
  text-align: center;
}
.tr {
  text-align: right;
}
.inline {
  display: inline-block;
}
.mask {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 9;
  background: rgba(0,0,0,0.6);
}
.flex {
  display: flex;
}
.clearfix:after {
  display: block;
  content: "";
  height: 0;
  line-height: 0;
  clear: both;
  visibility: hidden;
}
.border-1px:after {
  -webkit-transform: scaleY(0.5);
  transform: scaleY(0.5);
  transform-origin: top left;
}
.border-1px-all:after {
  -webkit-transform: scale(0.5);
  transform: scale(0.5);
  transform-origin: top left;
}
@media (-webkit-min-device-pixel-ratio: 1.5), (min-device-pixel-ratio: 1.5) {
  .border-1px:after {
    -webkit-transform: scaleY(0.7);
    transform: scaleY(0.7);
  }
}
@media (-webkit-min-device-pixel-ratio: 2), (min-device-pixel-ratio: 2) {
  .border-1px:after {
    -webkit-transform: scaleY(0.5);
    transform: scaleY(0.5);
  }
}
